RedSn0w 0.9 is officially out of beta and is now available to everyone who wants to jailbreak iPhone 3.1.2. RedSn0w had been in beta testing for a couple of weeks now and the Dev Team worked on fixing the bugs. Apparently, this release is now completely bulletproof.

This release of RedSn0w supports all iPhone and iPod Touch models (still a tethered-only JB for late-model devices though) and runs fine on Windows and Mac OSX.

At first, this version of RedSn0w was supposed to include the IPCC tethering hack but it seems it was causing issues so it was removed at the last minute.

I was a little confused about the baseband situation so I asked MuscleNerd directly. Here is what he has to say:

redsn0w itself doesn’t update the firmware, or the baseband. It just works with whatever firmware is there and ignores the baseband. redsn0w happens to know about both 3.0 and 3.1.2 firmwares, so it can jailbreak (or add logos, etc) to either.

ultrasn0w right now is only for baseband 04.26. If you have baseband 04.26 on 3.0 (which you normally would at that FW version), then that works fine for ultrasn0w. If you have baseband 04.26 on 3.1.2 (you got there through a custom IPSW), then that works fine for ultrasn0w too. And in both cases, redsn0w can be used to jailbreak, get Cydia, and install ultrasn0w.

However if you somehow have baseband 05.11 on firmware 3.0 (you went up to 3.1.2 then tried to come back down), ultrasn0w won’t do the unlock, even though redsn0w will work fine. And if you have baseband 05.11 on firmware 3.1.2 (you did a stock apple restore/update), then ultrasn0w won’t work there either.

I recently wrote a tutorial on how to use RedSn0w to jailbreak iPhone 3.1.2. Check it out if you want to jailbreak your iPhone using RedSn0w, which you can get from our iPhone downloads page.

  • blahg
    • thanks for the tip. I just updated the links 🙂

  • i was actually waiting for untethered jb for devices for 45-57 weeks production…. this is of no hope

    • hey bro..m sharath.can i have ur fone number..i need to speak with u abt i-phone update and cydia

  • bart

    Okay, we keep getting al these jailbreaks, but its no use since they all can’t find a solution for the tethred thingy.

  • chiaph

    i guess when had to wait till the next realease of firmware 🙁

  • Jan

    They need to fix the tethered thingy. Then this would be awesome 🙂

  • Nova

    Hi i followed the instructions and as I waited for the reboot my screen was black for about 30 min. I canceled and then tried restoring my phone on itunes and try again but now I get a msg saying its an unkown error and my ipod is stuck in recovery mode. plz help!!

  • Midoriii

    Nova: Run the Tethered boot it will get you to ipod home screen.

  • Oh, great the 0.9 version is launched. Let see what is the difference from 0.8 version.


  • jessbnme

    I was only able to run the tethered boot. If I checked “install cydia” after reboot the phone will go into recovery mode. Another issue is if I turn the phone off and turn it on, it will go into recovery mode unless I connect to a computer. How can I fix this?

  • Nahid

    I have a iPhone 3GS 16GB with baseband 5.11.7 and OS 3.1.2 which is menufectured in 45th weeks of 2009. It was tethered by blackrain but have to tethered every time after reboot, so I tried to unlock it using redsn0w. While I tried to unlock the phone using redsn0w 9.2 without teethering it again by flashing the ROM, it goes blank, I tried to reset it by tapping sleep and home button for aroud 20 seconds, but their is no response, iTune gets the iPhone in restore mode, but when I tried to restore it in OS 3.1.2, it was unable to restore. How can I resore iphone? Can any one help me please?

  • CMD

    Nahid, did you fix your problem? im having the same problem and need a solution!

  • Bruno

    Guys please help me out. Tried to to the process using redsn0w-win0_9_2 and guess what…the process went through fine. But when it says the following steps will take place in your device my Iphone does not start up. What happens is … the apple Icon comes up on the screen and that’s it. Itunes does not recognize my iphone and i cannot restore it at all.

    PLEASE GIVE ME A HAND ON THIS!??? I’m desperate since the phone doesn’t even start plus Itunes does not recognize it…..

  • Bruno

    I just want to get it back to the way it was before…don;t mind whether is unlocked or not.